The Insert,screw Thread, cataloged under National Stock Number 5325-00-331-4774, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Kato Fastening Systems, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-331-4774 |
| Primary Part Number | TNC-6C-0375 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Kato Fastening Systems, Inc. |
| Status | ACTIVE |
| Length | 0.375 INCHES NOMINAL IN |
| Insert Size | 0.452 IN. MIN 0.472 IN. MAX FREE OD IN |
| Style Designator | COIL |
| Material Document and Classification | AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.375 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TNC-6C-0375 | Kato Fastening Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MS122083 | 3/2 Design control — primary reference U.S. Government activity |
| TNC-6C-0375 | 5/9 Secondary reference Rexnord Inc Specialty Fastener Div |
| MS122083 | 5/9 Secondary reference U.S. Government activity |
| 906985-05 | 5/2 Secondary reference U.S. Government activity |
| 595-6401212-2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 60-50-0226 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MS21208C6-10 | 5/9 Secondary reference U.S. Government activity |
| 835856-00 | 5/9 Secondary reference Defense Reduction Agency |
| 595-6401212 FIND 2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 5325PL0833140 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5325PL1032306 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5325-00-331-4774 is a Insert,screw Thread, manufactured by Kato Fastening Systems, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-331-4774 has 1 manufacturer part number on file: TNC-6C-0375 (Kato Fastening Systems, Inc.).
Key specifications for TNC-6C-0375: Length: 0.375 INCHES NOMINAL IN; Insert Size: 0.452 IN. MIN 0.472 IN. MAX FREE OD IN; Style Designator: COIL; Material Document and Classification: AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.